Home / 36,679.50-55,019.34-13,305.96

Finding the Fourth Proportional to 36,679.50, 55,019.34 and 13,305.96

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Solution

The fourth proportional to 36,679.50, 55,019.34 and 13,305.96 is: 19,958.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,679.50 : 55,019.34 = 13,305.96 : x
  2. Step 2: Convert to fraction form
    36,679.50/55,019.34 = 13,305.96/x
  3. Step 3: Cross multiply
    36,679.50x = 55,019.34 × 13,305.96
  4. Step 4: Simplify right side
    36,679.50x = 732,085,137.27
  5. Step 5: Solve for x
    x = 732,085,137.27/36,679.50
  6. Step 6: Final answer
    x = 19,958.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.